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        <script>
            var canPartition = function (nums) {
                nums.sort((a, b) => a - b)
                let sum = nums.reduce((pre, item) => (pre += item), 0)
                if (sum % 2 != 0) return false
                let bagSize = sum / 2
                let dp = new Array(bagSize + 1).fill(0)
                for (let i = 0; i < nums.length; i++) {
                    for (let j = bagSize; j >= nums[i]; j--) {
                        dp[j] = Math.max(dp[j], dp[j - nums[i]] + nums[i])
                    }
                }
                if (dp[bagSize] == bagSize) return true
                return false
            }
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